
export function area (radius) {
  return Math.PI * radius * radius
}

export function circumference (radius) {
  return 2 * Math.PI * radius
}

export function formatDate (date, fmt) {
  if (/(y+)/.test(fmt)) {
    fmt = fmt.replace(RegExp.$1, (date.getFullYear() + '').substr(4 - RegExp.$1.length))
  }
  let o = {
    'M+': date.getMonth() + 1,
    'd+': date.getDate(),
    'h+': date.getHours(),
    'm+': date.getMinutes(),
    's+': date.getSeconds()
  }
  for (let k in o) {
    let str = o[k] + ''
    if (new RegExp(`(${k})`).test(fmt)) {
      fmt = fmt.replace(RegExp.$1, (RegExp.$1.length === 1) ? str : padLeftZero(str))
    }
  }
  return fmt
};

function padLeftZero (str) {
  return ('00' + str).substr(str.length)
}

export function getCustomerId () {
  return window.localStorage.getItem('customerId')
}

export function getCustomerBase () {
  return JSON.parse(window.localStorage.getItem('customerBase'))
}

export var commentModule = {
  specialColumn_columnContentDetail: '01',
  home_viewpoint: '02',
  home_topic: '03',
  activity_activity: '04',
  activity_highlights: '05'
}

